import java.util.Arrays;
import java.util.Date;


/*// 两个包下都有date类，不建议下面写法
import java.util.*;
import java.sql.*;*/

public class Test2 {
    public static void main(String[] args) {
        //Person person = new Person("张三",18);
        //person.name = "张三";

        Person person = new Person();
        person.setName("李四");
        System.out.println(person.getName());

    }
}
